Matthew C. answered • 05/16/19
Tutor
5
(123)
Bachelor's of Science in Chemistry
Let us write out the balanced chemical equation first:
2KClO3 → 2KCl + 3O2
Since we know the mass of potassium chlorate, we can now determine the mass of oxygen using our balanced chemical equation:
4.55 g KClO3 x (1 mol KClO3/122.55 g KClO3) x (3 mol O2/2 mol KClO3) x (32 g O2/1 mol O2) =
1.78 g O2
Matthew C.
Woops, I did a little mistake in my calculator input. Thanks for catching it. I've fixed it now.
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05/17/19
Zoey C.
i did not get this when i calculated it05/17/19